Dr Alchemy, sometimes known as Mister Element, has a split personality. One of his personas is as a relatively normal citizen, who once worked in the forensics lab of a police department. The other is a dangerous criminal, who finds the Philosopher€™s Stone and uses it to transform any element into another. He has already been mentioned by the producers of the show as a villain they expect to be seeing at some point, and season 2, now that the world has been expanded to include time-travel and possible other dimensions, could be a good time to introduce the character.